From 98d557dd24cb15d106810828d51c3e6a35f1b230 Mon Sep 17 00:00:00 2001
From: Denton Gentry <dgentry@tailscale.com>
Date: Sat, 14 Aug 2021 20:53:56 -0700
Subject: [PATCH] Dockerfile: use alpine:3.14

golang:1.16-alpine has updated to Alpine 3.14,
update the system image to match.

Reported by @kubeworm
https://twitter.com/kubeworm/status/1426751941519020033

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index cc042d2dd..9b59e2b28 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -61,6 +61,6 @@ RUN go install -tags=xversion -ldflags="\
       -X tailscale.com/version.GitCommit=$VERSION_GIT_HASH" \
       -v ./cmd/...
 
-FROM alpine:3.11
+FROM alpine:3.14
 RUN apk add --no-cache ca-certificates iptables iproute2
 COPY --from=build-env /go/bin/* /usr/local/bin/